The most surprising nugget Apple's including in iOS 4.1 is the ability to take HDR photos.…
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This example from Soviet Montage Productions was shot using two Canon EOS 5D Mark II DSLRs, chosen because "they're just fantastic cameras that are affordable and within reach of even the most modestly funded filmmaker," according to Michael Safai from the film production company.

While they haven't revealed yet just how they managed to layer two identical images perfectly, we do know that they used a beam splitter and the two DSLRs with varying exposures—one overexposed, and the other underexposed. There was no doubt many post-production processing tools were used here, but until Soviet Montage lets us in on their little secret, we'll just get back to writing begging letters to Canon to include a HDR video setting in its cameras. [Soviet Montage via Planet5D]